| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 24, 2021 | Nov 22, 2021 | 811-22072 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2020 | May 29, 2020 | 811-22072 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 12, 2017 | Apr 20, 2016 | 811-22072 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 23, 2016 | Aug 21, 2015 | 811-22072 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 3, 2015 | Sep 1, 2015 | 811-23093 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 6, 2015 | Jun 30, 2015 | 811-23069 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 10, 2014 | Sep 11, 2014 | 811-22593 |